0.8 Carat Radiant Natural Diamond Prices Comparison

As of July 2026, 0.8 carat radiant natural diamonds usually range from $411 to $4,898, with an average price of $1,881.In the last month, prices for these diamonds are down 0.6%.Compare 619 verified listings across 8 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-07-13

0.8 Carat Radiant Natural Diamond Market Overview

CaratRadar currently tracks 619 verified 0.8-carat radiant natural diamonds listed across 8 online retailers. Prices in this segment range from $411 to $4,898, with an average asking price of $1,881 and a median of $1,783.

The price spread of $4,487 (91.6% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.

These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.

  • 619 diamonds tracked in this segment

  • Price range: $411 to $4,898

  • Average price: $1,881

  • Median price: $1,783

  • Available across 8 retailers

  • Savings potential: up to 91.6%

Price Range Overview

As of Jul 13, 2026
Spread $4,487

Real market range for this carat, shape, and diamond type.

$411$4,898
Tracked

619

Lowest

$411

Average

$1,881

Median

$1,783

Highest

$4,898

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers for this exact segment and open any listing for full details.

GIA | 0.9ct | Radiant | L | SI2 | Ideal
Save 24.5%

GIA | 0.9ct | Radiant | L | SI2 | Ideal

From $589

Compare at $780

3 stores
GIA | 0.89ct | Radiant | L | SI2 | Very Good
Save 10.6%

GIA | 0.89ct | Radiant | L | SI2 | Very Good

From $652

Compare at $729

2 stores
GIA | 0.9ct | Radiant | K | SI1 | Ideal
Save 34.8%

GIA | 0.9ct | Radiant | K | SI1 | Ideal

From $669

Compare at $1,026

3 stores
GIA | 0.9ct | Radiant | J | SI2 | Very Good
Save 34.8%

GIA | 0.9ct | Radiant | J | SI2 | Very Good

From $669

Compare at $1,026

3 stores
GIA | 0.88ct | Radiant | K | SI2 | Very Good
Save 33.1%

GIA | 0.88ct | Radiant | K | SI2 | Very Good

From $673

Compare at $1,006

2 stores
GIA | 0.82ct | Radiant | H | SI2 | Very Good
Save 19%

GIA | 0.82ct | Radiant | H | SI2 | Very Good

From $685

Compare at $846

4 stores
GIA | 0.83ct | Radiant | J | SI1 | Very Good
Save 18.9%

GIA | 0.83ct | Radiant | J | SI1 | Very Good

From $693

Compare at $855

5 stores
GIA | 0.84ct | Radiant | J | SI1 | Very Good
Save 18.8%

GIA | 0.84ct | Radiant | J | SI1 | Very Good

From $702

Compare at $865

5 stores
GIA | 0.81ct | Radiant | H | SI1 | Excellent
Save 32.6%

GIA | 0.81ct | Radiant | H | SI1 | Excellent

From $705

Compare at $1,046

3 stores
GIA | 0.83ct | Radiant | J | VS2 | Excellent
Save 26.7%

GIA | 0.83ct | Radiant | J | VS2 | Excellent

From $730

Compare at $996

2 stores
GIA | 0.81ct | Radiant | L | VS1 | Excellent
Save 32.9%

GIA | 0.81ct | Radiant | L | VS1 | Excellent

From $809

Compare at $1,205

6 stores
GIA | 0.81ct | Radiant | J | SI1 | Excellent
Save 32.3%

GIA | 0.81ct | Radiant | J | SI1 | Excellent

From $832

Compare at $1,229

4 stores
GIA | 0.83ct | Radiant | J | VS1 | Excellent
Save 35.6%

GIA | 0.83ct | Radiant | J | VS1 | Excellent

From $837

Compare at $1,300

3 stores
GIA | 0.81ct | Radiant | K | VVS1 | Excellent
Save 39.1%

GIA | 0.81ct | Radiant | K | VVS1 | Excellent

From $845

Compare at $1,387

2 stores
GIA | 0.82ct | Radiant | J | VVS1 | Excellent
Save 31%

GIA | 0.82ct | Radiant | J | VVS1 | Excellent

From $856

Compare at $1,241

3 stores
GIA | 0.9ct | Radiant | F | SI2 | Ideal
Save 26.6%

GIA | 0.9ct | Radiant | F | SI2 | Ideal

From $876

Compare at $1,194

5 stores
GIA | 0.81ct | Radiant | K | VVS2 | Excellent
Save 28.9%

GIA | 0.81ct | Radiant | K | VVS2 | Excellent

From $877

Compare at $1,233

4 stores
GIA | 0.81ct | Radiant | J | VVS2 | Excellent
Save 35.9%

GIA | 0.81ct | Radiant | J | VVS2 | Excellent

From $884

Compare at $1,379

3 stores
GIA | 0.82ct | Radiant | J | VS1 | Very Good
Save 37.4%

GIA | 0.82ct | Radiant | J | VS1 | Very Good

From $888

Compare at $1,419

5 stores
GIA | 0.9ct | Radiant | I | SI2 | Very Good

GIA | 0.9ct | Radiant | I | SI2 | Very Good

From $894

Compare at $978

2 stores
GIA | 0.9ct | Radiant | F | SI2 | Excellent

GIA | 0.9ct | Radiant | F | SI2 | Excellent

From $898

Compare at $983

2 stores
GIA | 0.86ct | Radiant | I | VS2 | Very Good
Save 17.5%

GIA | 0.86ct | Radiant | I | VS2 | Very Good

From $898

Compare at $1,089

5 stores
GIA | 0.9ct | Radiant | J | VS2 | Excellent
Save 36.6%

GIA | 0.9ct | Radiant | J | VS2 | Excellent

From $918

Compare at $1,447

3 stores
GIA | 0.81ct | Radiant | K | VVS2 | Excellent
Save 33.4%

GIA | 0.81ct | Radiant | K | VVS2 | Excellent

From $931

Compare at $1,397

5 stores
GIA | 0.83ct | Radiant | I | VVS1 | Excellent
Save 29.6%

GIA | 0.83ct | Radiant | I | VVS1 | Excellent

From $946

Compare at $1,343

2 stores
GIA | 0.81ct | Radiant | J | VVS1 | Excellent
Save 28.3%

GIA | 0.81ct | Radiant | J | VVS1 | Excellent

From $948

Compare at $1,323

3 stores
GIA | 0.89ct | Radiant | G | VS2 | Good
Save 31.2%

GIA | 0.89ct | Radiant | G | VS2 | Good

From $950

Compare at $1,381

5 stores
GIA | 0.9ct | Radiant | J | SI1 | Excellent
Save 27.2%

GIA | 0.9ct | Radiant | J | SI1 | Excellent

From $956

Compare at $1,314

3 stores
GIA | 0.81ct | Radiant | H | SI2 | Excellent
Save 31.3%

GIA | 0.81ct | Radiant | H | SI2 | Excellent

From $957

Compare at $1,392

5 stores
GIA | 0.81ct | Radiant | J | VS1 | Excellent

GIA | 0.81ct | Radiant | J | VS1 | Excellent

From $960

Compare at $1,066

3 stores
GIA | 0.9ct | Radiant | K | SI1 | Very Good
Save 31.3%

GIA | 0.9ct | Radiant | K | SI1 | Very Good

From $963

Compare at $1,402

4 stores
GIA | 0.9ct | Radiant | E | SI2 | Very Good
Save 27.4%

GIA | 0.9ct | Radiant | E | SI2 | Very Good

From $964

Compare at $1,328

2 stores
GIA | 0.81ct | Radiant | J | VS2 | Excellent

GIA | 0.81ct | Radiant | J | VS2 | Excellent

From $965

Compare at $975

2 stores
GIA | 0.9ct | Radiant | F | SI2 | Very Good

GIA | 0.9ct | Radiant | F | SI2 | Very Good

From $966

Compare at $1,022

2 stores
GIA | 0.9ct | Radiant | J | SI1 | Excellent
Save 29.6%

GIA | 0.9ct | Radiant | J | SI1 | Excellent

From $984

Compare at $1,398

2 stores
GIA | 0.81ct | Radiant | J | VS1 | Ideal
Save 35.3%

GIA | 0.81ct | Radiant | J | VS1 | Ideal

From $992

Compare at $1,534

7 stores
GIA | 0.9ct | Radiant | K | VS2 | Excellent
Save 39.2%

GIA | 0.9ct | Radiant | K | VS2 | Excellent

From $1,008

Compare at $1,658

3 stores
GIA | 0.9ct | Radiant | J | SI1 | Excellent
Save 35.3%

GIA | 0.9ct | Radiant | J | SI1 | Excellent

From $1,014

Compare at $1,567

5 stores
GIA | 0.81ct | Radiant | J | VS1 | Excellent

GIA | 0.81ct | Radiant | J | VS1 | Excellent

From $1,017

Compare at $1,045

3 stores
GIA | 0.9ct | Radiant | G | SI1 | Very Good

GIA | 0.9ct | Radiant | G | SI1 | Very Good

From $1,022

Compare at $1,069

2 stores
GIA | 0.81ct | Radiant | K | VVS2 | Excellent
Save 22.2%

GIA | 0.81ct | Radiant | K | VVS2 | Excellent

From $1,033

Compare at $1,327

2 stores
GIA | 0.81ct | Radiant | G | VS2 | Excellent
Save 36.9%

GIA | 0.81ct | Radiant | G | VS2 | Excellent

From $1,038

Compare at $1,645

3 stores
GIA | 0.81ct | Radiant | J | VVS2 | Excellent
Save 42.2%

GIA | 0.81ct | Radiant | J | VVS2 | Excellent

From $1,043

Compare at $1,803

5 stores
GIA | 0.9ct | Radiant | K | VVS2 | Excellent
Save 37%

GIA | 0.9ct | Radiant | K | VVS2 | Excellent

From $1,049

Compare at $1,664

3 stores
GIA | 0.9ct | Radiant | F | SI2 | Very Good

GIA | 0.9ct | Radiant | F | SI2 | Very Good

From $1,051

Compare at $1,106

2 stores
GIA | 0.9ct | Radiant | K | VS1 | Excellent
Save 40.7%

GIA | 0.9ct | Radiant | K | VS1 | Excellent

From $1,052

Compare at $1,774

2 stores
GIA | 0.9ct | Radiant | J | SI1 | Excellent

GIA | 0.9ct | Radiant | J | SI1 | Excellent

From $1,052

Compare at $1,055

2 stores
GIA | 0.9ct | Radiant | D | SI2 | Very Good

GIA | 0.9ct | Radiant | D | SI2 | Very Good

From $1,057

Compare at $1,104

2 stores
GIA | 0.84ct | Radiant | E | SI1 | Good

GIA | 0.84ct | Radiant | E | SI1 | Good

From $1,066

Compare at $1,086

2 stores
GIA | 0.81ct | Radiant | I | VS1 | Excellent
Save 35.1%

GIA | 0.81ct | Radiant | I | VS1 | Excellent

From $1,068

Compare at $1,646

3 stores

Entry pricing in this category starts around $411.

What to Know When Shopping for 0.8 Carat Radiant Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $4,487 or more.
  2. Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
  3. The median price of $1,783 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
  4. Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
  5. Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
  6. Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
  7. Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.

Frequently Asked Questions

We currently track 619 comparable stones in this segment. Prices start around $411 and go up to $4,898.

Based on the latest market data, the average asking price is about $1,881 with a median around $1,783.

The observed spread is roughly $4,487 across tracked listings, which is about 91.6% from highest to lowest offer in this bucket.

We refresh pricing data daily so these pages stay current with market changes.

Based on completed market data, the fair market benchmark is $1,881. The median price is $1,783, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.

We currently track this stone category across 8 online retailers, giving you a broad view of the competitive landscape.

For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.

Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $4,487 across sellers, which is why direct certified-diamond comparison is essential.

We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.

Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.

Diamond Terminology

Carat
A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
Cut
Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
Color
Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
Clarity
Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.

Related Price Categories

Explore adjacent carat ranges and shapes to compare market shifts.

Tracking Natural inventory for 0.8 carat Radiant diamonds.